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$304+ Cheap flights from Seattle (SEA) to Spain

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MAD
avr. 22 — avr. 291
mar. 4/22
mar. 4/29
1 adult, Economy
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Cheap flight deals from Seattle to Spain

Keep the following information in mind while searching for Seattle to Spain flight deals. Data was last updated avril 17, 2025.

Round-trip from

$592
(Scandinavian Airlines)

One-way from

$304
(Mytrip)

Popular in

June

Cheapest in

November

Average price

$818
From Seattle/Tacoma Intl to Spain
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One-way flight from Seattle/Tacoma Intl to Spain
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Highest demand for flights based on searches. 23% potential increase in price ($273 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Seattle to Spain

Cheapest flights from Seattle to Spain
Explore the most affordable flight options available from Seattle to Spain. Find the lowest fares from popular airlines and budget airlines, with prices last updated on avril 17, 2025.

This Gurufare deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 8/274:00 pmSEA - AGP
2 stops18h 40mScandinavian Airlines
mar. 9/29:10 pmAGP - SEA
1 stop25h 40mScandinavian Airlines
Deal found 4/17$503
This Scandinavian Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/2011:55 amSEA - ALC
2 stops37h 10mScandinavian Airlines
dim. 5/258:45 pmALC - SEA
2 stops26h 05mScandinavian Airlines
Deal found 4/17$592
This Scandinavian Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/14:00 pmSEA - BCN
1 stop17h 10mScandinavian Airlines
sam. 9/207:00 pmBCN - SEA
1 stop28h 00mScandinavian Airlines
Deal found 4/16$619
This United Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/308:42 amSEA - BCN
2 stops19h 33mUnited Airlines
ven. 10/174:00 pmBCN - SEA
1 stop16h 09mUnited Airlines
Deal found 4/17$622
This Booking.com deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/307:15 pmSEA - BCN
2 stops27h 35mAir Canada
ven. 10/176:00 amBCN - SEA
2 stops21h 36mAir Canada
Deal found 4/17$624
This Scandinavian Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 10/104:20 pmSEA - PMI
2 stops17h 25mScandinavian Airlines
sam. 10/188:15 pmPMI - SEA
1 stop26h 45mScandinavian Airlines
Deal found 4/16$626
This American Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 9/248:20 pmSEA - BCN
1 stop17h 25mAmerican Airlines
lun. 9/298:25 pmBCN - SEA
1 stop23h 45mAmerican Airlines
Deal found 4/17$633
This Travelocity deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 9/218:20 pmSEA - VLC
2 stops18h 15mMultiple Airlines
mer. 10/111:25 amVLC - SEA
1 stop15h 55mMultiple Airlines
Deal found 4/17$635
This FlightHub deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/103:05 pmSEA - BCN
2 stops33h 45mLufthansa
lun. 11/176:20 pmBCN - SEA
1 stop28h 00mLufthansa
Deal found 4/16$636
This Orbitz deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 9/216:18 amSEA - VLC
2 stops28h 42mIberia
mer. 10/17:25 amVLC - SEA
2 stops22h 48mIberia
Deal found 4/17$640
This FlightHub deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/227:35 pmSEA - BCN
1 stop17h 50mAer Lingus
ven. 9/2611:00 amBCN - SEA
1 stop15h 50mAer Lingus
Deal found 4/17$641
This Priceline deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 12/246:50 pmSEA - BCN
1 stop15h 55mBritish Airways
mer. 2/411:15 amBCN - SEA
2 stops20h 56mBritish Airways
Deal found 4/17$645

Cheapflights Fare Finder

Customize your flight search to find flights from Seattle to Spain that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated avril 17, 2025.
Use the filters below to find and compare flights from Seattle to Spain that are best for you.

Fly from

Seattle

Fly to

Spain

Route

Depart

Return

Price

SeattleMálaga

SEA - AGP

SEAAGP

Seattle/Tacoma Intl

mer. 8/27

4:00 pm-7:40 pm

2 stops18h 40m

Malaga

mar. 9/2

9:10 pm-1:50 pm

1 stop25h 40m

$503

SeattleAlicante

SEA - ALC

SEAALC

Seattle/Tacoma Intl

mar. 5/20

11:55 am-10:05 am

2 stops37h 10m

Alicante

dim. 5/25

8:45 pm-1:50 pm

2 stops26h 05m

$592

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

lun. 9/1

4:00 pm-6:10 pm

1 stop17h 10m

Barcelona-El Prat

sam. 9/20

7:00 pm-2:00 pm

1 stop28h 00m

$619

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

mar. 9/30

8:42 am-1:15 pm

2 stops19h 33m

Barcelona-El Prat

ven. 10/17

4:00 pm-11:09 pm

1 stop16h 09m

$622

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

mar. 9/30

7:15 pm-7:50 am

2 stops27h 35m

Barcelona-El Prat

ven. 10/17

6:00 am-6:36 pm

2 stops21h 36m

$624

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

mer. 9/24

8:20 pm-10:45 pm

1 stop17h 25m

Barcelona-El Prat

lun. 9/29

8:25 pm-11:10 am

1 stop23h 45m

$633

SeattleValencia

SEA - VLC

SEAVLC

Seattle/Tacoma Intl

dim. 9/21

8:20 pm-11:35 pm

2 stops18h 15m

Valencia

mer. 10/1

11:25 am-6:20 pm

1 stop15h 55m

$635

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

mer. 9/17

6:50 pm-5:55 pm

1 stop14h 05m

Barcelona-El Prat

jeu. 9/25

6:50 am-10:16 pm

2 stops24h 26m

$638

SeattleValencia

SEA - VLC

SEAVLC

Seattle/Tacoma Intl

dim. 9/21

6:18 am-8:00 pm

2 stops28h 42m

Valencia

mer. 10/1

7:25 am-9:13 pm

2 stops22h 48m

$640

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

lun. 9/22

7:35 pm-10:25 pm

1 stop17h 50m

Barcelona-El Prat

ven. 9/26

11:00 am-5:50 pm

1 stop15h 50m

$641

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 60 results
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Best time to book a flight from Seattle to Spain

Have a flexible travel schedule? Discover the best time to fly to Spain from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Spain

What is the cheapest month to book a flight from Seattle to Spain?

Currently, November is the cheapest month in which you can book a flight from Seattle to Spain (average of $543). Flying from Seattle to Spain in June is currently the most expensive (average of $1,101). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SEA to ES?

Find hourly flight availability from Seattle to Spain. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated avril 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Spain as you normally would.

Rainfall in Spain by month

Plan your trip to Spain by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Spain ranges from 0.8 - 3.6 inches per month. October is typically the wettest month, when rainfall can reach 3.6 in. July is typically the driest time to visit Spain when rainfall is around 0.8 in.

Temperature in Spain by month

Plan your trip to Spain by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Spain, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Spain

Get insights into the airlines that provide service to Spain. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Spain. Reviews last updated avril 17, 2025.
Read through reviews of airlines operating flights from Seattle to Spain, such as Delta, KLM and Finnair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,916 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,916 reviews
Delta
8.0
Very good
7,916 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,327 reviews
Delta
8.0
Very good
7,916 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,269 reviews
Delta
8.0
Very good
7,916 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.5
Good
1,435 reviews
Delta
8.0
Very good
7,916 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,580 reviews
Delta
8.0
Very good
7,916 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Spain. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Seattle to Spain?

    Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly out of when you book flights from Seattle to Spain.

  • What are the cheapest airlines to fly from Seattle to Spain one-way?

    One-way options have recently been found by users for as low as $416 on WestJet. Other airlines that offer cheap prices include Scandinavian Airlines from $439 and Aer Lingus from $445 one-way.

  • What are the most popular routes from Seattle to Spain?

    The most popular flight routes from Seattle to Spain are Seattle/Tacoma Intl - Barcelona-El Prat, Seattle/Tacoma Intl - Madrid Barajas and Seattle/Tacoma Intl - Valencia.

  • Can I find deals for flights from Seattle to Spain that include hotel bookings?

    Yes. In addition to deals on Seattle to Spain flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Spain?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Spain.

  • Can I find deals for business class flights from Seattle to Spain?

    Yes. Cheapflights offers flight deals from Seattle to Spain by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Spain?

    Currently, November is the cheapest month in which you can book a flight from Seattle to Spain (average of $543). Flying from Seattle to Spain in June is currently the most expensive (average of $1,101). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Seattle to Spain

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Seattle to Spain

Discover the top 10 airlines that operate flights from Seattle to Spain. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated avril 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$416Average$645FlexibilityNo cancel feeOn-time76%
WestJetCheapest$445Average$904FlexibilityNo cancel feeOn-time60%
Scandinavian AirlinesCheapest$475Average$597FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$502Average$863FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$507Average$831FlexibilityNo cancel feeOn-time77%
KLMCheapest$540Average$1,031FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$580Average$1,090FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$581Average$1,031FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$584Average$957FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$588Average$1,026FlexibilityNo cancel feeOn-time67%

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